Provided by:
linux-doc-2.6.15_2.6.15-23.39_all 
NAME
ata_scsiop_noop - Command handler that simply returns success.
SYNOPSIS
unsigned int ata_scsiop_noop (struct ata_scsi_args * args, u8 * rbuf,
unsigned int buflen);
ARGUMENTS
args device IDENTIFY data / SCSI command of interest.
rbuf Response buffer, to which simulated SCSI cmd output is sent.
buflen Response buffer length.
DESCRIPTION
No operation. Simply returns success to caller, to indicate that the
caller should successfully complete this SCSI command.
LOCKING
spin_lock_irqsave(host_set lock)
AUTHOR
Jeff Garzik.